Orderbook example with PySimpleGui

order-book-example.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2020 fx-kirin <fx.kirin@gmail.com>
#

from random import randint

import PySimpleGUI as sg

"""
    Basic use of the Table Element
"""

sg.theme("DarkBrown1")

# ------ Some functions to help generate data for the table ------


def make_table(size):
    data = []
    prices = list(reversed(sorted([randint(100, 1000) for r in range(size * 2)])))
    for price in prices[:size]:
        data.append([randint(1, 10), randint(1, 20) * 100, price, "", ""])
    for price in prices[size:]:
        data.append(["", "", price, randint(1, 20) * 100, randint(1, 10)])
    return data


def main():
    # ------ Make the Table Data ------
    data = make_table(10)
    # ------ Create Window ------
    layout = [
        [
            sg.Table(
                values=data,
                headings=["num_ask", "ask", "price", "bid", "num_bid"],
                max_col_width=25,
                justification="right",
                num_rows=20,
                alternating_row_color="#111111",
                key="-TABLE-",
                row_height=35,
                tooltip="This is a table",
            )
        ],
        [sg.Button("Next")],
    ]
    window = sg.Window("The Table Element", layout)

    # ------ Event Loop ------
    while True:
        event, values = window.read()
        print(event, values)
        if event == sg.WIN_CLOSED:
            break
        if event == "Next":
            data = make_table(10)
            window["-TABLE-"].update(values=data)

    window.close()


if __name__ == "__main__":
    main()